/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.enterprise.web;

import com.assg2.dao.DaoGenre;
import com.assg2.dao.DaoMovie;
import com.movie.Genre;
import com.movie.Movie;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Kevin
 */
public class SearchByGenre extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            List movieList = new ArrayList();
            Movie movie = null;
            Genre genre = null;
            DaoGenre dg = new DaoGenre();
            DaoMovie dm = new DaoMovie();
            movieList = dm.listall();
            int fromyear = 0;
            int toyear = 0;
            genre = (Genre)dg.findById(Integer.parseInt(request.getParameter("genre"))); 
            if(request.getParameter("fromyear")!=""){
             fromyear = (Integer.parseInt(request.getParameter("fromyear"))-1990);
            }else{ fromyear = 1950;}
            if(request.getParameter("toyear")!=""){
                 toyear = (Integer.parseInt(request.getParameter("toyear"))-1900);
            }else{ toyear = 2049;}
            
            
            Set movieSet = genre.getMovies();
            List<Movie> resultlList = new ArrayList<Movie>();
            Iterator it = movieSet.iterator();
            while(it.hasNext()){
                movie = (Movie)it.next();
                int year = movie.getRelaseDate().getYear();
                if((fromyear<=year)&&(year<=toyear)){
                    resultlList.add(movie);
                
                }                
            }
            request.setAttribute("resultbygenre", resultlList);
            
            
            request.getRequestDispatcher("resultByGenre.jsp").forward(request, response);
            
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
